Dell Inspiron 1440 Setup Manual

Also see for Inspiron 1440: User guide Service manual Service manual

32Solving ProblemsPower ProblemsIf the power light is off — The computer iseither turned off or is not receiving power.Reseat the power cable into both the•power connector on the computer and theelectrical outlet.If the computer is plugged into a power strip,•ensure that the power strip is plugged intoan electrical outlet and that the power stripis turned on. Also bypass power protectiondevices, power strips, and power extensioncables to verify that the computer turnson properly.Ensure that the electrical outlet is working•by testing it with another device, such asa lamp.Check the AC adapter cable connections.•If the AC adapter has a light, ensure that thelight on the AC adapter is on.If the power light is solid white and thecomputer is not responding — The display maynot be responding. Press the power button untilthe computer turns off and then turn it back on.If the power light is blinking white — Thecomputer is in standby mode. Press a key onthe keyboard, move the pointer using the touchpad or a connected mouse, or press the powerbutton to resume normal operation.If you encounter interference that hindersreception on your computer — An unwantedsignal is creating interference by interrupting orblocking other signals. Some possible causes ofinterference are:Power, keyboard, and mouse extension•cables.Too many devices connected to a power•strip.Multiple power strips connected to the same•electrical outlet.